GibCounter is an application that parses QuakeWorld fraglog files, generates human-readable global and per-player statistics, and writes them out in an HTML format. it supports graphical percentage bars, frag-per-death ratios, and colored "fun nicknames". The appearance of any element of the generated stats can be easily changed through a CSS include file.
HLmaps is a pair of Perl/CGI scripts for Half-Life game servers running on Linux, FreeBSD, and WinNT. It allows Web site visitors to view all your loaded maps, screen shots, download links, and some file statistics in a nice, sortable table. It optionally uses MySQL as the interim data store.